# 26 digits of E= 2.71828 18284 59045 23536 02874 # 64-bit exp(1)= 2.7182818284590451 # p N = 2**p kind E (seq) time(seq) E (par) time(par) 1 2 8 2.250000000000000000000 0.161079E-04 2.250000000000000000000 0.173264E-03 2 4 8 2.441406250000000000000 0.359700E-05 2.441406250000000000000 0.531692E-05 3 8 8 2.565784513950347900391 0.374694E-05 2.565784513950347900391 0.620703E-05 4 16 8 2.637928497366599511764 0.319397E-05 2.637928497366599955853 0.512484E-05 5 32 8 2.676990129378183258524 0.337698E-05 2.676990129378182814435 0.487897E-05 6 64 8 2.697344952565099873709 0.316999E-05 2.697344952565097653263 0.446197E-05 7 128 8 2.707739019688019332932 0.328291E-05 2.707739019688021553378 0.479398E-05 8 256 8 2.712991624253433098346 0.358699E-05 2.712991624253428657454 0.516209E-05 9 512 8 2.715632000168989979017 0.424194E-05 2.715632000168989090838 0.463706E-05 10 1024 8 2.716955729466435709441 0.542006E-05 2.716955729466417945872 0.517908E-05 11 2048 8 2.717618482336879637273 0.790181E-05 2.717618482336886742701 0.614184E-05 12 4096 8 2.717950081189666633463 0.127661E-04 2.717950081189668853909 0.701193E-05 13 8192 8 2.718115936265787624393 0.225431E-04 2.718115936265783183501 0.903895E-05 14 16384 8 2.718198877721949013875 0.421270E-04 2.718198877721945905250 0.242600E-04 15 32768 8 2.718240351930269582681 0.812139E-04 2.718240351930282017179 0.411391E-04 16 65536 8 2.718261089904645544380 0.160497E-03 2.718261089904744576273 0.646401E-04 17 131072 8 2.718271459109236953822 0.317227E-03 2.718271459109287579992 0.835028E-04 18 262144 8 2.718276643766011080317 0.667587E-03 2.718276643765825451027 0.163140E-03 19 524288 8 2.718279236107885576956 0.129765E-02 2.718279236107881580153 0.392561E-03 20 1048576 8 2.718280532282412842449 0.258013E-02 2.718280532282640216124 0.698267E-03 21 2097152 8 2.718281180370622607256 0.519976E-02 2.718281180370666572088 0.140168E-02 22 4194304 8 2.718281504414351346100 0.103056E-01 2.718281504414417959481 0.251258E-02 23 8388608 8 2.718281666436819676846 0.206900E-01 2.718281666436208166005 0.503086E-02 24 16777216 8 2.718281747448352270169 0.409362E-01 2.718281747447959251218 0.102095E-01 25 33554432 8 2.718281787952748107529 0.830211E-01 2.718281787952061101521 0.210255E-01 26 67108864 8 2.718281808206489014168 0.165525E+00 2.718281808204162430798 0.423141E-01 27 134217728 8 2.718281818334183697061 0.331180E+00 2.718281818335327226777 0.843799E-01 28 268435456 8 2.718281823395742868854 0.649172E+00 2.718281823395678031829 0.168199E+00 29 536870912 8 2.718281825927307160384 0.127945E+01 2.718281825928359651812 0.329025E+00 30 1073741824 8 2.718281827192953414851 0.253878E+01 2.718281827193150590460 0.656140E+00 31 2147483648 8 2.718281827825886232120 0.505492E+01 2.718281827825555829747 0.133767E+01 32 4294967296 8 2.718281828142369516144 0.100919E+02 2.718281828142423250938 0.266490E+01 33 8589934592 8 2.718281828299391467141 0.201543E+02 2.718281828299010882688 0.522261E+01 34 17179869184 8 2.718281828374554898176 0.402815E+02 2.718281828365829877470 0.105621E+02 35 34359738368 8 2.718281828399105037875 0.805453E+02 2.718281828389232046561 0.210158E+02 36 68719476736 8 2.718281828355593621183 0.161151E+03 2.718281828346897466275 0.421220E+02